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Zarrin [17]
2 years ago
7

Michel read 18 books this was 4 books than twice the number of books that Jeff read how many books did Jeff read

Mathematics
1 answer:
Ludmilka [50]2 years ago
5 0

Answer:Jeff read 11 books<em> I believe </em>

Step-by-step explanation:hope this helps

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In the section describing the survey methods, the report states, “For results based on the total sample of national adults, the
Yakvenalex [24]

Answer:

The interpretation of that same problem is listed throughout the section below on explanation.

Step-by-step explanation:

<u>Interpretation:</u>

  • Researchers seem to be confident with 95% that the sample selection standard error seems to be + as well as - 4 percent respectively.
  • This same margin of sampling error would then decrease from either the mean or average value by four percentage points smaller or even larger, it describes the survey method.

So that the above is the right answer.

8 0
3 years ago
In a group of 20 there are 7 boys what is the ratio of girls to boys?​
marysya [2.9K]

Step-by-step explanation:

given,

total members in grp = 20

no. of boys = 7

no. of girls = 20 - 7 = 13

so,

the ratio of girls to boys is = 13:7

hope this answer helps you dear...take care and may u have a great day ahead!

4 0
3 years ago
Jim began a 165 mile bicycle trip to build up stamina for a triathlete competition unfortunately his bike chain broke so he fini
denpristay [2]

Answer: Approximately 4.7 hours.

Step-by-step explanation:

He rode the bicycle for some time before it broke down and he walked the remaining distance. This means that Jim covered a total of 165 miles by riding at a speed of 35 miles per hour and walking at a speed of 3 miles per hour.

Let x = the distance covered by riding the bicycle.

Let y = the distance covered by walking.

Time = distance /speed

Time he used in riding would be x/35

Time he used in walking would be y/3

Since the entire trip took 7 hours,

x/35 + y/3 = 7

3x + 35y = 735 - - - - - - - - 1

Total miles covered is 165. Therefore,

x + y = 165 - - - - - - - - -- - -2

Substituting x = 165-y into equation 1, it becomes

3(165-y) + 35y = 735

495-3y + 35y = 735

-3y + 135y = 735-495

132y = 240

y = 240/132

y = 1.81m

x = 165 - 1.81 = 163.19

Amount of time that he spent on the bicycle will be

x/35 = 163.19/35

= 4.66

Approximately 4.7 hours.

7 0
3 years ago
Pls help will mark brainliest if correct
pashok25 [27]

Answer:

its D Please put me as brain eat if correct

7 0
3 years ago
The value of the investment is expected to grow by 3% per year.
disa [49]
3 times 24 is 48% therefore its D.
4 0
3 years ago
Read 2 more answers
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